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CVE-2008-1501

MediumPublished

The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives...

Published: Mar 25, 2008
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Mar 24, 2008

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

5.2%

Low · next 30 days

Percentile: 92.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The send_user_mode function in s_user.c in (1) Undernet ircu 2.10.12.12 and earlier, (2) snircd 1.3.4 and earlier, and unspecified other ircu derivatives allows remote attackers to cause a denial of service (daemon crash) via a malformed MODE command.

Sources

Snircd 1.3.4 - 'send_user_mode' Denial of ServiceExploit
Chris Porter · multiple · Mar 24, 2008

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